REVENUES BY PRODUCT AND SERVICE CATEGORY AND GEOGRAPHIC REGION AND SIGNIFICANT CONCENTRATIONS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Worldwide Revenues [Member] Customer Concentration Risk [Member]	Dec. 31, 2011 Worldwide Revenues [Member] Customer Concentration Risk [Member]	Dec. 31, 2012 Worldwide Revenues [Member] Customer Concentration Risk [Member]	Dec. 31, 2011 Worldwide Revenues [Member] Customer Concentration Risk [Member]	Dec. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member]	Mar. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member]	Dec. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member] Major Customer One [Member]	Mar. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member] Major Customer One [Member]	Dec. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member] Major Customer Two [Member]	Dec. 31, 2012 North America [Member]	Dec. 31, 2011 North America [Member]	Dec. 31, 2012 North America [Member]	Dec. 31, 2011 North America [Member]	Dec. 31, 2012 Europe [Member]	Dec. 31, 2011 Europe [Member]	Dec. 31, 2012 Europe [Member]	Dec. 31, 2011 Europe [Member]	Dec. 31, 2012 Asia Pacific and Rest of the World [Member]	Dec. 31, 2011 Asia Pacific and Rest of the World [Member]	Dec. 31, 2012 Asia Pacific and Rest of the World [Member]	Dec. 31, 2011 Asia Pacific and Rest of the World [Member]	Dec. 31, 2012 Instruments [Member]		Dec. 31, 2011 Instruments [Member]		Dec. 31, 2012 Instruments [Member]		Dec. 31, 2011 Instruments [Member]		Dec. 31, 2012 Consumables [Member]		Dec. 31, 2011 Consumables [Member]		Dec. 31, 2012 Consumables [Member]		Dec. 31, 2011 Consumables [Member]		Dec. 31, 2012 Other Products And Services [Member]		Dec. 31, 2011 Other Products And Services [Member]		Dec. 31, 2012 Other Products And Services [Member]		Dec. 31, 2011 Other Products And Services [Member]
Revenue from External Customer [Line Items]
Product and service revenues, net	$ 49,764	$ 37,812	$ 135,961	$ 113,755																						$ 13,969	[1]	$ 9,079	[1]	$ 35,456	[1]	$ 25,364	[1]	$ 32,786	[2]	$ 26,808	[2]	$ 91,680	[2]	$ 83,019	[2]	$ 3,009	[3]	$ 1,925	[3]	$ 8,825	[3]	$ 5,372	[3]
Development and licensing revenue	38	38	113	123
Total revenues	49,802	37,850	136,074	113,878										41,797	31,847	110,876	93,540	6,197	4,516	19,906	16,326	1,808	1,487	5,292	4,012
Revenues from External Customers [Line Items]
Total revenues	$ 49,802	$ 37,850	$ 136,074	$ 113,878										$ 41,797	$ 31,847	$ 110,876	$ 93,540	$ 6,197	$ 4,516	$ 19,906	$ 16,326	$ 1,808	$ 1,487	$ 5,292	$ 4,012
Concentration Risk [Line Items]
Number of major customers					1	1	1	1	2	1
Revenue or accounts receivable by major customer (in hundredths)					12.00%	15.00%	11.00%	12.00%			17.00%	19.00%	11.00%

[1] Instruments include chemistry analyzers, hematology instruments, VSpro specialty analyzers and i-STAT analyzers.

[2] Consumables include reagent discs, hematology reagent kits, VSpro specialty cartridges, i-STAT cartridges and rapid tests.

[3] Other products and services include veterinary reference laboratory diagnostic and consulting services.